Turnquest 1996.

Methods	Surgical team were randomised to one of two groups using computer generated numbers in sealed envelopes. Perforation test ‐ gloves were filled with water by investigators, cuffs were occluded and observed for leaks.
Participants	Residents, scrub person and medical students. Obstetric surgery. 344 single gloves and 338 double outer gloves were collected.
Interventions	Single orthopaedic latex gloves versus double standard latex gloves
Outcomes	Number of perforations.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Low risk	A ‐ Adequate